摘要
本文综述了1985年以来云南地区4次M_s≥5.0级地震及几次4级多地震前的磁偏角异常,对其异常的阶段性、时间、幅度等特征进行了初步分析。
In this paper, the magnetic declination anomalies before 4 Ms≥5.0 events and some Ms>4.0 events in Yunnan Area since 1985 have been summarized and reviewed. And a preliminary analysis has been made on the various characters of anomalous stage, duration and amplitude.
出处
《地震研究》
CSCD
北大核心
1991年第1期50-57,共8页
Journal of Seismological Research
关键词
地震
磁偏角
异常
变化
云南
D component geodimeter
Source area
Correlated fault system
Tectonomagnetic effect
Yunnan
